<?php
    include("./dbconn.php");

    $user = $_GET["user"];
    $pw = $_GET["pw"];

    $sql = "select * from login_register where user='$user'";

    $result = $conn->query($sql);
 
    if($result->num_rows > 0){
        $row = mysqli_fetch_assoc($result);
        if($pw == $row['pw']){
            $data["code"] = 0;
            $data['msp'] = "登陆成功";
        }else{
            $data["code"] = 1;
            $data['msp'] = "密码错误";
        }
    }else{
        $data["code"] = 2;
        $data['msp'] = "用户不存在";
    }
    echo json_encode($data);
?>